Datasheet LTC3620 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | Ultralow Power 15mA Synchronous Step-Down Switching Regulator |
| Pages / Page | 18 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Switching Waveforms at 1mA. … |
| File Format / Size | PDF / 331 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Switching Waveforms at 1mA. Switching Waveforms at 12mA. Switching Waveforms at 250μA
Model Line for this Datasheet
Text Version of Document
LTC3620
TYPICAL PERFORMANCE CHARACTERISTICS Switching Waveforms at 1mA Switching Waveforms at 12mA Switching Waveforms at 250μA Load, FMIN/MODE = 0V Load, FMIN/MODE = 0V Load, FMIN/MODE = 200kHz Clock
VFMIN/MODE VOUT (AC) VOUT (AC) 1V/DIV 20mV/DIV 20mV/DIV VOUT (AC) 20mV/DIV V V SW SW 2V/DIV 2V/DIV VSW 2V/DIV IL IL 25mA/DIV 25mA/DIV IL 25mA/DIV V 4μs/DIV 3620 G10 3620 G11 3620 G12 OUT = 1.1V V 400ns/DIV OUT = 1.1V V 2μs/DIV OUT = 1.1V VIN = 3.6V VIN = 3.6V VIN = 3.6V TA = 25°C TA = 25°C TA = 25°C
Switching Waveforms at 1mA Switching Waveforms at 12mA Load, FMIN/MODE = 200kHz Clock Load, FMIN/MODE = 200kHz Start-Up Waveforms
VFMIN/MODE VFMIN/MODE 1V/DIV 1V/DIV VOUT (AC) VOUT (AC) VOUT 20mV/DIV 20mV/DIV 200mV/DIV V V SW SW 2V/DIV 2V/DIV IL IL IL 25mA/DIV 25mA/DIV 25mA/DIV V 2μs/DIV 3620 G13 3620 G14 3620 G15 OUT = 1.1V V 400ns/DIV OUT = 1.1V V 200μs/DIV OUT = 1.1V VIN = 3.6V VIN = 3.6V VIN = 3.6V TA = 25°C TA = 25°C IOUT = 0mA FMIN/MODE = 0V TA = 25°C
Transient Response, 250μA to 3mA Transient Response, 1mA to 10mA Step, FMIN/MODE = 0V Step, FMIN/MODE = 0V PFET RDS(ON) vs Temperature
2.3 ISW = 35mA 2.1 VOUT (AC) VOUT (AC) 1.9 10mV/DIV 20mV/DIV VIN = 3.6V 1.7 (Ω) 1.5 VIN = 5V ILOAD DS(ON) 1.3 R I 5mA/DIV LOAD 1.1 5mA/DIV 0.9 3620 G17 V 4ms/DIV 3620 G16 IN = 3.6V V 4ms/DIV IN = 3.6V 0.7 VOUT = 1.1V VOUT = 1.1V TA = 25°C TA = 25°C 0.5–50 0 50 100 130 TEMPERATURE (°C) 3620 G18 3620fa 5 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM OPERATION APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATIONS RELATED PARTS
TYPICAL PERFORMANCE CHARACTERISTICS Switching Waveforms at 1mA Switching Waveforms at 12mA Switching Waveforms at 250μA Load, FMIN/MODE = 0V Load, FMIN/MODE = 0V Load, FMIN/MODE = 200kHz Clock
VFMIN/MODE VOUT (AC) VOUT (AC) 1V/DIV 20mV/DIV 20mV/DIV VOUT (AC) 20mV/DIV V V SW SW 2V/DIV 2V/DIV VSW 2V/DIV IL IL 25mA/DIV 25mA/DIV IL 25mA/DIV V 4μs/DIV 3620 G10 3620 G11 3620 G12 OUT = 1.1V V 400ns/DIV OUT = 1.1V V 2μs/DIV OUT = 1.1V VIN = 3.6V VIN = 3.6V VIN = 3.6V TA = 25°C TA = 25°C TA = 25°C
Switching Waveforms at 1mA Switching Waveforms at 12mA Load, FMIN/MODE = 200kHz Clock Load, FMIN/MODE = 200kHz Start-Up Waveforms
VFMIN/MODE VFMIN/MODE 1V/DIV 1V/DIV VOUT (AC) VOUT (AC) VOUT 20mV/DIV 20mV/DIV 200mV/DIV V V SW SW 2V/DIV 2V/DIV IL IL IL 25mA/DIV 25mA/DIV 25mA/DIV V 2μs/DIV 3620 G13 3620 G14 3620 G15 OUT = 1.1V V 400ns/DIV OUT = 1.1V V 200μs/DIV OUT = 1.1V VIN = 3.6V VIN = 3.6V VIN = 3.6V TA = 25°C TA = 25°C IOUT = 0mA FMIN/MODE = 0V TA = 25°C
Transient Response, 250μA to 3mA Transient Response, 1mA to 10mA Step, FMIN/MODE = 0V Step, FMIN/MODE = 0V PFET RDS(ON) vs Temperature
2.3 ISW = 35mA 2.1 VOUT (AC) VOUT (AC) 1.9 10mV/DIV 20mV/DIV VIN = 3.6V 1.7 (Ω) 1.5 VIN = 5V ILOAD DS(ON) 1.3 R I 5mA/DIV LOAD 1.1 5mA/DIV 0.9 3620 G17 V 4ms/DIV 3620 G16 IN = 3.6V V 4ms/DIV IN = 3.6V 0.7 VOUT = 1.1V VOUT = 1.1V TA = 25°C TA = 25°C 0.5–50 0 50 100 130 TEMPERATURE (°C) 3620 G18 3620fa 5 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM OPERATION APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATIONS RELATED PARTS
